Move slider to create the sum of the first odd numbers. Try to predict the formula for the sum of the first odd numbers. Drag the Move slider to see a dynamic proof of the formula. This applet is based on Alex Chik's applet: [url ]http://www.geogebratube.org/student/m18791[/url]

Based on Alex Chik's applet: [url ]http://www.geogebratube.org/student/m18791[/url]